EP3446560A3 - Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol - Google Patents

Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol Download PDF

Info

Publication number
EP3446560A3
EP3446560A3 EP18188757.1A EP18188757A EP3446560A3 EP 3446560 A3 EP3446560 A3 EP 3446560A3 EP 18188757 A EP18188757 A EP 18188757A EP 3446560 A3 EP3446560 A3 EP 3446560A3
Authority
EP
European Patent Office
Prior art keywords
soil
self
controller
power supply
monitoring system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP18188757.1A
Other languages
German (de)
English (en)
Other versions
EP3446560A2 (fr
Inventor
Tom Nøhr CHRISTIANSEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
S-Rain Control AS
S Rain Control AS
Original Assignee
S-Rain Control AS
S Rain Control AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by S-Rain Control AS, S Rain Control AS filed Critical S-Rain Control AS
Priority to EP21173641.8A priority Critical patent/EP3903571A1/fr
Publication of EP3446560A2 publication Critical patent/EP3446560A2/fr
Publication of EP3446560A3 publication Critical patent/EP3446560A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B13/00Irrigation ditches, i.e. gravity flow, open channel water distribution systems
    • E02B13/02Closures for irrigation conduits
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • A01G25/167Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B5/00Artificial water canals, e.g. irrigation canals
    • E02B5/08Details, e.g. gates, screens
    • E02B5/082Closures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
    • G01R31/3278Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844Monitoring or fail-safe circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1877Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings controlling a plurality of loads

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soil Sciences (AREA)
  • Selective Calling Equipment (AREA)
  • Pipeline Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
EP18188757.1A 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol Ceased EP3446560A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21173641.8A EP3903571A1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils métalliques, notamment pour l'irrigation de zones localisées du sol

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP12170174.2A EP2668842A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour lýirrigation de zones localisées du sol
EP13151075.2A EP2668844A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13151061.2A EP2668843A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13151083.6A EP2668846A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13151081.0A EP2668845A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13726507.0A EP2854512B1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
PCT/EP2013/061239 WO2013178774A1 (fr) 2012-05-31 2013-05-31 Système de surveillance et de commande à deux fils en particulier pour l'irrigation de zones localisées de sol

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP13726507.0A Division EP2854512B1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP21173641.8A Division EP3903571A1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils métalliques, notamment pour l'irrigation de zones localisées du sol

Publications (2)

Publication Number Publication Date
EP3446560A2 EP3446560A2 (fr) 2019-02-27
EP3446560A3 true EP3446560A3 (fr) 2019-03-27

Family

ID=48570127

Family Applications (8)

Application Number Title Priority Date Filing Date
EP13151083.6A Withdrawn EP2668846A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13151081.0A Withdrawn EP2668845A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13151061.2A Withdrawn EP2668843A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP12170174.2A Withdrawn EP2668842A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour lýirrigation de zones localisées du sol
EP13151075.2A Withdrawn EP2668844A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP21173641.8A Pending EP3903571A1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils métalliques, notamment pour l'irrigation de zones localisées du sol
EP13726507.0A Active EP2854512B1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP18188757.1A Ceased EP3446560A3 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol

Family Applications Before (7)

Application Number Title Priority Date Filing Date
EP13151083.6A Withdrawn EP2668846A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13151081.0A Withdrawn EP2668845A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP13151061.2A Withdrawn EP2668843A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP12170174.2A Withdrawn EP2668842A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour lýirrigation de zones localisées du sol
EP13151075.2A Withdrawn EP2668844A1 (fr) 2012-05-31 2012-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP21173641.8A Pending EP3903571A1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils métalliques, notamment pour l'irrigation de zones localisées du sol
EP13726507.0A Active EP2854512B1 (fr) 2012-05-31 2013-05-31 Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol

Country Status (7)

Country Link
US (2) US10113287B2 (fr)
EP (8) EP2668846A1 (fr)
AU (1) AU2013269597B2 (fr)
CA (1) CA2874748C (fr)
DK (1) DK2854512T3 (fr)
ES (1) ES2695150T3 (fr)
WO (1) WO2013178774A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10028454B2 (en) * 2014-08-27 2018-07-24 Et Water Systems, Inc. Environmental services platform
CN104429834A (zh) * 2014-12-02 2015-03-25 苏州立瓷电子技术有限公司 一种基于rfid的自动灌溉方法
CN104521700A (zh) * 2014-12-02 2015-04-22 苏州立瓷电子技术有限公司 一种基于rfid的自动灌溉系统
US10405488B2 (en) * 2014-12-23 2019-09-10 Husqvarna Ab Zone control system for a robotic vehicle
CN105028137B (zh) * 2015-07-27 2019-01-04 潍坊友容实业有限公司 一种盐碱地滴灌系统的控制方法
CN105220653B (zh) * 2015-09-02 2017-03-29 华电郑州机械设计研究院有限公司 一种智能清污机系统及其控制方法
CA3123555C (fr) * 2016-04-08 2023-08-29 Husqvarna Ab Systeme intelligent d'arrosage
BR112019023430B1 (pt) * 2017-05-12 2023-04-11 Valmont Industries, Inc Sistema para controlar e rotear energia para um ou mais sistemas de irrigação e método relacionado
US10980120B2 (en) 2017-06-15 2021-04-13 Rain Bird Corporation Compact printed circuit board
JP7133858B2 (ja) * 2017-10-23 2022-09-09 国立大学法人静岡大学 土壌センサ及び土壌計測方法
US10925222B2 (en) * 2017-11-02 2021-02-23 Larry C. Sarver Wireless self-powered flow sensor system and ethernet decoder
US11503782B2 (en) 2018-04-11 2022-11-22 Rain Bird Corporation Smart drip irrigation emitter
CN108718999B (zh) * 2018-05-09 2020-07-14 湖南城市学院 一种草原恢复用集水保湿系统
US11234380B2 (en) 2018-09-27 2022-02-01 Rain Bird Corporation Irrigation controller with relays
US20220154847A1 (en) * 2019-03-15 2022-05-19 S-Rain Control A/S Methods for controlling and diagnosing an actuator for a low power system
US11357181B2 (en) 2020-02-12 2022-06-14 Rain Bird Corporation Data modulated signal generation in a multi-wire irrigation control system
CA3176062A1 (fr) * 2020-03-17 2021-09-23 Heartland Ag Tech, Inc. Systemes et procedes de maintenance predictive de systeme d'irrigation
EP4338025A1 (fr) * 2021-05-14 2024-03-20 Rain Bird Corporation Auto-détection de dispositifs sur un système de commande d'irrigation multi-fil et auto-attribution de récepteurs à des zones d'irrigation
US20230086588A1 (en) * 2021-09-23 2023-03-23 Cjc Holdings, Llc Surge irrigation system and method of use

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU733334B1 (en) * 1999-11-18 2001-05-10 Inverell Technology Centre Pty Ltd Power and data communications transmission system
US20080211307A1 (en) * 2004-05-26 2008-09-04 Randall James Gardner Two-Wire Power And Communications For Irrigation Systems
US20090222140A1 (en) * 2006-03-07 2009-09-03 S-Rain Control A/S System and a method for optimising and providing power to a core of a valve

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723753A (en) 1971-12-08 1973-03-27 Johns Manville Programmable irrigation computer
US4004612A (en) 1975-04-28 1977-01-25 Hummel Jr Frank Remote control for large-area sprinkler systems
US4131882A (en) 1975-12-29 1978-12-26 Clemar Manufacturing Corporation Digital two-wire irrigation control system with feedback
US4007458A (en) 1975-12-29 1977-02-08 Clemar Manufacturing Corporation Digital two-wire irrigation control system
US4176395A (en) 1977-11-16 1979-11-27 Clemar Manufacturing Corporation Interactive irrigation control system
US4535401A (en) 1982-06-30 1985-08-13 Texas Instruments Incorporated Apparatus and method for providing power from master controller to subcontrollers and data communication therebetween
US5023787A (en) 1988-02-01 1991-06-11 Rainbird Sprinkler Mfg. Corp. Irrigation control and flow management system
US5293551A (en) 1988-03-18 1994-03-08 Otis Engineering Corporation Monitor and control circuit for electric surface controlled subsurface valve system
US5832397A (en) * 1993-01-21 1998-11-03 Hitachi, Ltd. Integrated wiring systems for a vehicle control system
US5570030A (en) 1993-05-07 1996-10-29 Wightman; William E. Moisture sensor and control system
DE4317109A1 (de) * 1993-05-21 1994-11-24 Herion Werke Kg Verfahren zur Überprüfung von Magnetventilen und zugehörige Meßanordnung
US5434774A (en) 1994-03-02 1995-07-18 Fisher Controls International, Inc. Interface apparatus for two-wire communication in process control loops
US5839658A (en) 1996-09-27 1998-11-24 Sarver; Larry C. Method of retrofitting irrigation control systems
US5868609A (en) 1997-04-14 1999-02-09 I C Mic-Process, Inc. Wafer carrier rotating head assembly for chemical-mechanical polishing apparatus
DE19742038A1 (de) 1997-09-24 1999-03-25 Wabco Gmbh Verfahren zur Zustandserkennung bei einem Magnetventil
DE69938048T2 (de) 1999-11-25 2008-11-20 S-Rain Control A/S Zweidraht Steuerungs- und Überwachungssystem, insbesondere für die Bewässerung von begrenzten Grundflächen
US7206669B2 (en) 1999-11-25 2007-04-17 S-Rain Control A/S Two-wire controlling and monitoring system for the irrigation of localized areas of soil
US7421317B2 (en) 1999-11-25 2008-09-02 S-Rain Control A/S Two-wire controlling and monitoring system for the irrigation of localized areas of soil
US6402048B1 (en) 2000-01-26 2002-06-11 Galen Collins Accurate horticultural sprinkler system and sprinkler head
ATE345613T1 (de) * 2000-04-07 2006-12-15 Broadcom Corp Rahmenbasierte übertragung von nutzdaten mit veränderlicher datenrate
US6633478B2 (en) 2000-08-24 2003-10-14 Xerox Corporation System for controlling an electromagnetic device
US7084741B2 (en) 2000-09-04 2006-08-01 Signal Data Systems Pty, Ltd. Method for communication between a first station and a second station, and a controller and remote station using the communication method
US9013854B2 (en) * 2001-02-14 2015-04-21 Xio, Inc. Configurable solenoid actuation method and apparatus
US6823239B2 (en) 2001-11-05 2004-11-23 Rain Master Irrigation Systems, Inc. Internet-enabled central irrigation control
JP2004152092A (ja) 2002-10-31 2004-05-27 Matsushita Electric Ind Co Ltd 電圧源回路
ITMI20030708A1 (it) 2003-04-09 2004-10-10 Claber Spa Decodificatore per impianto di irrigazione.
US8620480B2 (en) * 2003-04-25 2013-12-31 George Alexanian Irrigation water conservation with automated water budgeting and time of use technology
US7558294B2 (en) * 2005-07-27 2009-07-07 Intellon Corporation Time synchronization in a network
US8050801B2 (en) * 2005-08-22 2011-11-01 Trane International Inc. Dynamically extensible and automatically configurable building automation system and architecture
EP2035629A4 (fr) * 2006-06-20 2012-08-29 Rain Bird Corp Dispositif détecteur pour interrompre un arrosage
US7843897B2 (en) * 2006-10-30 2010-11-30 Schweitzer Engineering Laboratories, Inc. System, apparatus and method for mixed mode communication on a single network
US7539560B2 (en) * 2007-01-05 2009-05-26 Dresser, Inc. Control valve and positioner diagnostics
TWI458309B (zh) * 2007-12-24 2014-10-21 Ind Tech Res Inst 多協定單一介質網路傳輸方法與裝置
US8843241B2 (en) * 2008-05-20 2014-09-23 LiveMeters, Inc. Remote monitoring and control system comprising mesh and time synchronization technology
CA130877S (en) 2008-12-08 2010-03-29 S Rain Control As Encoder/decoder of remote controller for water irrigation
US7878180B2 (en) * 2009-02-04 2011-02-01 Gm Global Technology Operations, Inc Method and apparatus for determining operation errors for a high pressure fuel pump
US8055460B2 (en) * 2009-02-20 2011-11-08 GM Global Technology Operations LLC Method and apparatus for monitoring solenoid health
US9338238B2 (en) * 2010-12-03 2016-05-10 Siemens Industry, Inc. Operation scheduler for a building automation system
US9419737B2 (en) * 2013-03-15 2016-08-16 Concio Holdings LLC High speed embedded protocol for distributed control systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU733334B1 (en) * 1999-11-18 2001-05-10 Inverell Technology Centre Pty Ltd Power and data communications transmission system
US20080211307A1 (en) * 2004-05-26 2008-09-04 Randall James Gardner Two-Wire Power And Communications For Irrigation Systems
US20090222140A1 (en) * 2006-03-07 2009-09-03 S-Rain Control A/S System and a method for optimising and providing power to a core of a valve

Also Published As

Publication number Publication date
US20150147119A1 (en) 2015-05-28
EP3446560A2 (fr) 2019-02-27
DK2854512T3 (en) 2018-12-10
EP2668845A1 (fr) 2013-12-04
EP2854512B1 (fr) 2018-08-15
WO2013178774A1 (fr) 2013-12-05
CA2874748C (fr) 2020-09-08
EP2668842A1 (fr) 2013-12-04
EP2668846A1 (fr) 2013-12-04
EP2668844A1 (fr) 2013-12-04
AU2013269597A1 (en) 2014-12-18
EP3903571A1 (fr) 2021-11-03
US11053652B2 (en) 2021-07-06
EP2668843A1 (fr) 2013-12-04
EP2854512A1 (fr) 2015-04-08
CA2874748A1 (fr) 2013-12-05
US20190032294A1 (en) 2019-01-31
ES2695150T3 (es) 2019-01-02
US10113287B2 (en) 2018-10-30
AU2013269597B2 (en) 2016-08-04

Similar Documents

Publication Publication Date Title
EP3446560A3 (fr) Système de contrôle et de surveillance à deux fils, notamment pour l'irrigation de zones localisées du sol
EP4265881A3 (fr) Procédé de commande d'un dispositif de commande de débit de fond de trou
WO2014178920A3 (fr) Système électronique intelligent de régulation de l'écoulement de l'eau
WO2012047331A3 (fr) Appareil et système de maintien dynamique
WO2009140004A3 (fr) Dispositif et système pour achèvement et commande de puits et procédé pour achever et commander un puits
DK1806049T3 (da) Totråds-styre og -overvågningssystem, især til vanding af lokaliserede jordområder
WO2014047481A3 (fr) Système d'indicateur d'écoulement de fluide de buse
MX2014014153A (es) Indicador de posicion para valvulas.
WO2012018730A3 (fr) Système de commande de soupape de sûreté et procédé d'utilisation
CA2993694C (fr) Vanne de commande de gonflage
WO2014035502A3 (fr) Régulateur d'hélice électrohydraulique
WO2010081457A3 (fr) Dispositif mitigeur à régulation électronique pour l'eau de distribution
WO2012166224A3 (fr) Système de commande hydraulique présentant une stratégie en cas de blocage des vérins
WO2012037516A3 (fr) Système de commande d'actionneur et procédé d'utilisation
MX2010009438A (es) Accionador metamorfico multi-ejes y su sistema de transmision y metodo.
WO2011109616A3 (fr) Agencement et procédé de régulation de débit
WO2011002676A3 (fr) Système de vanne tubulaire et procédé associé
WO2013103954A3 (fr) Système électro-hydraulique avec fonction de flottement
WO2012040140A3 (fr) Système et procédé de régulation d'un écoulement dans un puits de forage
WO2010090533A3 (fr) Système et procédé d'authentification bluetooth
EP3529130A4 (fr) Système de commande électro-hydraulique avec vannes pilotes à sécurité intégrée
EP2588786A4 (fr) Système de commande de soupape, bidet utilisant ce système et procédé de commande de soupape
CA2863976A1 (fr) Procede de fracturation hydraulique comprenant regulation de ph
WO2012166223A3 (fr) Système de commande hydraulique permettant une correction d'écoulement au niveau des vérins
ZA202000525B (en) Proportional flow control valve poppet with flow control needle

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AC Divisional application: reference to earlier application

Ref document number: 2854512

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: H01F 7/18 20060101ALI20190219BHEP

Ipc: A01G 25/16 20060101AFI20190219BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190927

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20200212

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20210606